/** * -------------------------------------------- * AdminLTE SidebarSearch.js * License MIT * -------------------------------------------- */ import $, { trim } from 'jquery' /** * Constants * ==================================================== */ const NAME = 'SidebarSearch' const DATA_KEY = 'lte.sidebar-search' const JQUERY_NO_CONFLICT = $.fn[NAME] const CLASS_NAME_OPEN = 'sidebar-search-open' const CLASS_NAME_ICON_SEARCH = 'fa-search' const CLASS_NAME_ICON_CLOSE = 'fa-times' const CLASS_NAME_HEADER = 'nav-header' const CLASS_NAME_SEARCH_RESULTS = 'sidebar-search-results' const CLASS_NAME_LIST_GROUP = 'list-group' const SELECTOR_DATA_WIDGET = '[data-widget="sidebar-search"]' const SELECTOR_SIDEBAR = '.main-sidebar .nav-sidebar' const SELECTOR_NAV_LINK = '.nav-link' const SELECTOR_NAV_TREEVIEW = '.nav-treeview' const SELECTOR_SEARCH_INPUT = `${SELECTOR_DATA_WIDGET} .form-control` const SELECTOR_SEARCH_BUTTON = `${SELECTOR_DATA_WIDGET} .btn` const SELECTOR_SEARCH_ICON = `${SELECTOR_SEARCH_BUTTON} i` const SELECTOR_SEARCH_LIST_GROUP = `.${CLASS_NAME_LIST_GROUP}` const SELECTOR_SEARCH_RESULTS = `.${CLASS_NAME_SEARCH_RESULTS}` const SELECTOR_SEARCH_RESULTS_GROUP = `${SELECTOR_SEARCH_RESULTS} .${CLASS_NAME_LIST_GROUP}` const Default = { arrowSign: '->', minLength: 3, maxResults: 7, highlightName: true, highlightPath: false, highlightClass: 'text-light', notFoundText: 'No element found!' } const SearchItems = [] /** * Class Definition * ==================================================== */ class SidebarSearch { constructor(_element, _options) { this.element = _element this.options = $.extend({}, Default, _options) this.items = [] } // Public init() { if ($(SELECTOR_DATA_WIDGET).next(SELECTOR_SEARCH_RESULTS).length == 0) { $(SELECTOR_DATA_WIDGET).after( $('
', { class: CLASS_NAME_SEARCH_RESULTS }) ) } if ($(SELECTOR_SEARCH_RESULTS).children(SELECTOR_SEARCH_LIST_GROUP).length == 0) { $(SELECTOR_SEARCH_RESULTS).append( $('
', { class: CLASS_NAME_LIST_GROUP }) ) } this._addNotFound() $(SELECTOR_SIDEBAR).children().each((i, child) => { this._parseItem(child) }) } search() { const searchValue = $(SELECTOR_SEARCH_INPUT).val().toLowerCase() if (searchValue.length < this.options.minLength) { $(SELECTOR_SEARCH_RESULTS_GROUP).empty() this._addNotFound() this.close() return } const searchResults = SearchItems.filter(item => (item.name).toLowerCase().includes(searchValue)) const endResults = $(searchResults.slice(0, this.options.maxResults)) $(SELECTOR_SEARCH_RESULTS_GROUP).empty() if (endResults.length === 0) { this._addNotFound() } else { endResults.each((i, result) => { $(SELECTOR_SEARCH_RESULTS_GROUP).append(this._renderItem(result.name, result.link, result.path)) }) } this.open() } open() { $(SELECTOR_DATA_WIDGET).parent().addClass(CLASS_NAME_OPEN) $(SELECTOR_SEARCH_ICON).removeClass(CLASS_NAME_ICON_SEARCH).addClass(CLASS_NAME_ICON_CLOSE) } close() { $(SELECTOR_DATA_WIDGET).parent().removeClass(CLASS_NAME_OPEN) $(SELECTOR_SEARCH_ICON).removeClass(CLASS_NAME_ICON_CLOSE).addClass(CLASS_NAME_ICON_SEARCH) } toggle() { if ($(SELECTOR_DATA_WIDGET).parent().hasClass(CLASS_NAME_OPEN)) { this.close() } else { this.open() } } // Private _parseItem(item, path = []) { if ($(item).hasClass(CLASS_NAME_HEADER)) { return } const itemObject = {} const navLink = $(item).clone().find(`> ${SELECTOR_NAV_LINK}`) const navTreeview = $(item).clone().find(`> ${SELECTOR_NAV_TREEVIEW}`) const link = navLink.attr('href') const name = navLink.find('p').children().remove().end().text() itemObject.name = this._trimText(name) itemObject.link = link itemObject.path = path if (navTreeview.length === 0) { SearchItems.push(itemObject) } else { const newPath = itemObject.path.concat([itemObject.name]) navTreeview.children().each((i, child) => { this._parseItem(child, newPath) }) } } _trimText(text) { return trim(text.replace(/(\r\n|\n|\r)/gm, ' ')) } _renderItem(name, link, path) { path = path.join(` ${this.options.arrowSign} `) if (this.options.highlightName || this.options.highlightPath) { const searchValue = $(SELECTOR_SEARCH_INPUT).val().toLowerCase() const regExp = new RegExp(searchValue, 'gi') if (this.options.highlightName) { name = name.replace( regExp, str => { return `${str}` } ) } if (this.options.highlightPath) { path = path.replace( regExp, str => { return `${str}` } ) } } return `
${name}
${path}
` } _addNotFound() { $(SELECTOR_SEARCH_RESULTS_GROUP).append(this._renderItem(this.options.notFoundText, '#', [])) } // Static static _jQueryInterface(config) { let data = $(this).data(DATA_KEY) if (!data) { data = $(this).data() } const _options = $.extend({}, Default, typeof config === 'object' ? config : data) const plugin = new SidebarSearch($(this), _options) $(this).data(DATA_KEY, typeof config === 'object' ? config : data) if (typeof config === 'string' && config.match(/init|toggle|close|open|search/)) { plugin[config]() } else { plugin.init() } } } /** * Data API * ==================================================== */ $(document).on('click', SELECTOR_SEARCH_BUTTON, event => { event.preventDefault() SidebarSearch._jQueryInterface.call($(SELECTOR_DATA_WIDGET), 'toggle') }) $(document).on('keyup', SELECTOR_SEARCH_INPUT, event => { if (event.keyCode == 38) { event.preventDefault() $(SELECTOR_SEARCH_RESULTS_GROUP).children().last().focus() return } if (event.keyCode == 40) { event.preventDefault() $(SELECTOR_SEARCH_RESULTS_GROUP).children().first().focus() return } let timer = 0 clearTimeout(timer) timer = setTimeout(() => { SidebarSearch._jQueryInterface.call($(SELECTOR_DATA_WIDGET), 'search') }, 100) }) $(document).on('keydown', SELECTOR_SEARCH_RESULTS_GROUP, event => { const $focused = $(':focus') if (event.keyCode == 38) { event.preventDefault() if ($focused.is(':first-child')) { $focused.siblings().last().focus() } else { $focused.prev().focus() } } if (event.keyCode == 40) { event.preventDefault() if ($focused.is(':last-child')) { $focused.siblings().first().focus() } else { $focused.next().focus() } } }) $(window).on('load', () => { SidebarSearch._jQueryInterface.call($(SELECTOR_DATA_WIDGET), 'init') }) /** * jQuery API * ==================================================== */ $.fn[NAME] = SidebarSearch._jQueryInterface $.fn[NAME].Constructor = SidebarSearch $.fn[NAME].noConflict = function () { $.fn[NAME] = JQUERY_NO_CONFLICT return SidebarSearch._jQueryInterface } export default SidebarSearch